Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 4806 LEVEL 3 COMMUNICATIONS, LLC - TN

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
423-294 9 Chattanooga TN CHTGTNNSX8X  472      
423-297 A Elizabethton TN JHCYTNXC9MD  956      
423-297 9 Elizabethton TN JHCYTNXC9MD  956      
423-299 A Benton TN CHTGTNNSX8X  472      
423-299 0 Benton TN CHTGTNNSX8X  472   2004-11-15   
423-325 5 Blountville TN JHCYTNXC9MD  956      
423-328 1 Johnson City TN JHCYTNXC9MD  956   2008-12-08   
423-328 8 Johnson City TN JHCYTNXC9MD  956   2011-11-29   
423-342 3 Elizabethton TN JHCYTNXC9MD  956   2008-04-03   
423-342 4 Elizabethton TN JHCYTNXC9MD  956   2005-01-30   
423-343 4 Kingsport TN JHCYTNXC9MD  956   2003-02-17   
423-343 5 Kingsport TN JHCYTNXC9MD  956   2005-09-16   
423-343 8 Kingsport TN JHCYTNXC9MD  956   2007-05-23   
423-345 7 Surgoinsville TN   474   2014-05-06   
423-353 9 Morristown TN KNVLTNMANMD  474   2013-07-20   
423-372 A Jellico TN KNVLTNMANMD  474      
423-372 0 Jellico TN KNVLTNMANMD  474      
423-375 2 Benton TN CHTGTNNSX8X  472   2012-09-07   
423-381 8 Athens TN KNVLTNMANMD  474   2011-04-08   
423-388 3 Erwin TN JHCYTNXC9MD  956   2011-01-30   
423-388 4 Erwin TN JHCYTNXC9MD  956   2005-01-30   
423-389 8 Midway (Sullivan) TN JHCYTNXC9MD  956   2005-09-29   
423-389 9 Midway (Sullivan) TN JHCYTNXC9MD  956   2003-02-04   
423-391 9 Bluff City TN JHCYTNXC9MD  956   2013-03-03   
423-393 2 Bulls Gap TN KNVLTNMANMD  474   2008-05-20   
423-402 8 Chattanooga TN CHTGTNNSX8X  472   2010-01-08   
423-408 1 Kingsport TN JHCYTNXC9MD  956   2010-04-29   
423-415 4 Newport TN KNVLTNMANMD  474   2011-07-01   
423-417 2 Chattanooga TN CHTGTNNSX8X  472   2017-10-08   
423-419 5 Cumberland Gap TN GRTWKYMAJMD  466   2014-04-21   
423-422 8 Mosheim TN JHCYTNXC9MD  956   2014-04-19   
423-425 9 Chattanooga TN CHTGTNNSX8X  472   2014-04-14   
423-426 5 Limestone TN JHCYTNXC9MD  956   2006-02-11   
423-426 9 Limestone TN JHCYTNXC9MD  956   2008-06-18   
423-428 8 Dayton TN CHTGTNNSX8X  472   2008-02-19   
423-435 A Athens TN KNVLTNMANMD  474      
423-435 0 Athens TN KNVLTNMANMD  474      
423-435 9 Athens TN KNVLTNMANMD  474   2012-09-07   
423-436 A Madisonville TN KNVLTNMANMD  474      
423-436 0 Madisonville TN KNVLTNMANMD  474      
423-437 A La Follette TN KNVLTNMANMD  474      
423-437 0 La Follette TN KNVLTNMANMD  474      
423-438 A Morristown TN KNVLTNMANMD  474      
423-438 0 Morristown TN KNVLTNMANMD  474      
423-438 1 Morristown TN KNVLTNMANMD  474   2006-10-09   
423-441 8 Cumberland Gap TN GRTWKYMAJMD  466   2014-08-22   
423-443 A Chattanooga TN CHTGTNNSX8X  472      
423-443 3 Chattanooga TN CHTGTNNSX8X  472   2004-12-29   
423-443 4 Chattanooga TN CHTGTNNSX8X  472      
423-451 4 Soddy Daisy TN CHTGTNNSX8X  472   2005-12-29   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.